Calculate data weights based on st. dev. within each spw.

Statwt Summary Plot

VLASS2.1.sb38617989.eb38636486.59099.9471230787_split_split.ms

Plot of antenna-based weight vs. antenna or spectral window (before re-weight)

Plot of antenna-based weight vs. antenna or spectral window (after re-weight)

Statwt Summary

Summary of before/after-statwt antenna-based weights (Wi) for each antenna. The antenna-based weights are derived from the visibility WEIGHT column: WijWiWj.
Antenna Selection statwt before statwt after
Median 1st/3rd Quartile Mean ± S.Dev. Median 1st/3rd Quartile Mean ± S.Dev.
ea01 1342 1342/1342 1342 ± 0 5.369 5.096/5.782 5.505 ± 0.5267
ea02 1342 1342/1342 1342 ± 0 5.526 5.231/6.311 5.791 ± 0.6423
ea04 1342 1342/1342 1342 ± 0 5.289 4.969/5.904 5.471 ± 0.5621
ea05 1342 1342/1342 1342 ± 0 5.482 5.073/5.987 5.574 ± 0.6
ea06 1342 1342/1342 1342 ± 0 4.972 4.592/5.484 5.055 ± 0.5111
ea07 1342 1342/1342 1342 ± 0 5.77 5.258/6.066 5.781 ± 0.5775
ea08 1342 1342/1342 1342 ± 0 5.559 5.307/6.433 5.888 ± 0.6619
ea09 1342 1342/1342 1342 ± 0 5.451 5.076/6.123 5.595 ± 0.6179
ea10 1342 1342/1342 1342 ± 0 5.765 5.115/6.38 5.75 ± 0.6681
ea11 1342 1342/1342 1342 ± 0 5.612 4.962/6.136 5.629 ± 0.65
ea12 1342 1342/1342 1342 ± 0 5.575 5.128/6.213 5.753 ± 0.6607
ea13 1342 1342/1342 1342 ± 0 5.856 5.612/6.199 5.976 ± 0.4987
ea14 1342 1342/1342 1342 ± 0 5.572 5.065/6.167 5.667 ± 0.6671
ea15 1342 1342/1342 1342 ± 0 5.403 4.931/6.06 5.546 ± 0.6798
ea16 1342 1342/1342 1342 ± 0 5.908 5.472/6.569 6.083 ± 0.7289
ea17 1342 1342/1342 1342 ± 0 5.736 5.373/6.269 5.862 ± 0.624
ea18 1342 1342/1342 1342 ± 0 4.837 4.556/5.296 4.956 ± 0.5087
ea19 1342 1342/1342 1342 ± 0 5.789 5.341/6.511 5.987 ± 0.6537
ea20 1342 1342/1342 1342 ± 0 5.959 5.566/6.607 6.108 ± 0.662
ea21 1342 1342/1342 1342 ± 0 5.553 5.202/6.059 5.675 ± 0.5512
ea22 1342 1342/1342 1342 ± 0 5.342 5.025/6.051 5.549 ± 0.6663
ea23 1342 1342/1342 1342 ± 0 5.808 5.254/6.275 5.889 ± 0.6835
ea25 1342 1342/1342 1342 ± 0 5.292 5/5.841 5.459 ± 0.5571
ea26 1342 1342/1342 1342 ± 0 5.794 5.413/6.472 5.973 ± 0.66
ea27 1342 1342/1342 1342 ± 0 5.424 5.064/6.183 5.582 ± 0.5866
ea28 1342 1342/1342 1342 ± 0.00001667 5.469 5.167/6.213 5.693 ± 0.6368
Summary of before/after-statwt antenna-based weights (Wi) for each spectral window. The antenna-based weights are derived from the visibility WEIGHT column: WijWiWj.
Spw Selection statwt before statwt after
Median 1st/3rd Quartile Mean ± S.Dev. Median 1st/3rd Quartile Mean ± S.Dev.
2 1342 1342/1342 1342 ± 0.00002349 5.171 5.014/5.401 5.181 ± 0.2443
3 1342 1342/1342 1342 ± 0.00002349 5.127 4.897/5.285 5.109 ± 0.2762
4 1342 1342/1342 1342 ± 0.00002349 5.038 4.86/5.193 5.011 ± 0.2963
5 1342 1342/1342 1342 ± 0.00002349 5.166 4.943/5.294 5.135 ± 0.3047
6 1342 1342/1342 1342 ± 0.00002349 5.094 4.921/5.316 5.1 ± 0.2795
7 1342 1342/1342 1342 ± 0.00002349 5.177 4.993/5.297 5.164 ± 0.2538
8 1342 1342/1342 1342 ± 0.00002349 5.184 4.948/5.312 5.134 ± 0.274
9 1342 1342/1342 1342 ± 0.00002349 5.422 5.267/5.651 5.42 ± 0.301
10 1342 1342/1342 1342 ± 0.00002349 5.872 5.686/6.048 5.84 ± 0.2972
11 1342 1342/1342 1342 ± 0.00002349 6.123 5.919/6.26 6.055 ± 0.3066
12 1342 1342/1342 1342 ± 0.00002349 6.205 5.964/6.439 6.15 ± 0.4439
13 1342 1342/1342 1342 ± 0.00002349 6.666 6.556/6.803 6.644 ± 0.3368
14 1342 1342/1342 1342 ± 0.00002349 6.865 6.663/7.046 6.834 ± 0.3636
15 1342 1342/1342 1342 ± 0.00002349 6.562 6.312/6.79 6.499 ± 0.3556
16 1342 1342/1342 1342 ± 0.00002473 5.846 5.539/6.056 5.835 ± 0.3684
17 1342 1342/1342 1342 ± 0.00002554 5.885 5.482/6.103 5.844 ± 0.3657
overwrite_modelcol
False
vis
VLASS2.1.sb38617989.eb38636486.59099.9471230787_split_split.ms
datacolumn
residual_data
output_dir
 
statwtmode
VLASS-SE
Start time
2025-01-24 00:36:06.367
End
2025-01-24 01:05:49.674
Duration
0:29:43.306
Note, WebLog generation is not included in the time.

CASA logs for stage 8